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Rectangular black laptop battery with six cells and label showing 5200mAh 11.1V

PISKEKAT

PISKEKAT laptop battery HP ProBook 4330s-4545s 7420 5200mAh 6-cell

SKU CH-Y6CF-8BD4Z

A 6-cell 5200mAh replacement battery for HP ProBook 4330s-4545s and 7420 models with CE, FCC and RoHS certification

  • Battery TypeLaptop Batteries
  • 6-cell design delivers 5200mAh capacity for longer runtime
  • 1V output works with 10.8V systems for broad compatibility
  • CE FCC RoHS certified with grade A cells for reliable charging
  • Built-in circuit protection guards against overcharge and short circuits
  • Replaces 32 original part numbers across 19 ProBook models

Compatible HP ProBook Models

This 5200mAh 6-cell battery replaces the original power unit in HP ProBook 4330s 4331s 4430s 4431s 4530s 4535s 4435s 4436s 4440s 4441s 4446s 4540s 4545s and 7420 models. It matches part numbers including 633733-1A1 633733-321 633805-001 650938-001 HSTNN-DB2R HSTNN-I02C HSTNN-LB2R and HSTNN-OB2R. The 11.1V rating works with systems specifying 10.8V. CE FCC and RoHS certifications confirm safety compliance.

Upgrading From Degraded Original Cells

The jump is worth it when the factory pack no longer holds a usable charge or shows swelling. Grade A cells restore runtime to near-new levels while the built-in protection circuit guards against overcharge over-discharge and short circuits. Buyers who need higher capacity than 5200mAh or a different voltage should look elsewhere.

Simple Slide-In Installation

Installation follows the standard ProBook latch mechanism: power off, release the lock, slide the old pack out, and click the new one in until the latch engages. The most common issue is forgetting to verify the exact part number against the sticker on the original battery; a mismatch leads to a physical fit but no charging. A full charge cycle before first heavy use calibrates the fuel gauge.

Highlights

  • 6-cell design delivers 5200mAh capacity for longer runtime
  • 1V output works with 10.8V systems for broad compatibility
  • CE FCC RoHS certified with grade A cells for reliable charging
  • Built-in circuit protection guards against overcharge and short circuits
  • Replaces 32 original part numbers across 19 ProBook models

Specifications

Battery TypeLaptop Batteries

Questions about this item

Does the 6-cell 5200mAh pack fit the HP ProBook 4545s without a chassis mod?

The 6-cell design matches the original form factor for the ProBook 4545s and listed models, so it seats in the standard battery bay with no modification.

What is the common mistake when installing this 11.1 V battery on a ProBook 4330s?

Forgetting to fully seat the latch until it clicks; the pack must lock flush or the laptop will not recognise the 11.1 V (10.8 V compatible) output.

Which original part numbers does this 5200mAh unit replace for the ProBook 4440s?

It replaces HSTNN-DB2R, HSTNN-IB2R, HSTNN-LB2R, HSTNN-OB2R, HSTNN-XB2R and the 633805-001, 650938-001 codes among others.

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